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Chapter 5 (5.1 (Intermediate Strata (Stratum granulosum (Consists of cells…
Chapter 5
5.1
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Stratum Germinativum
Epidermal ridges
The stratum Germiatium forms these, which extends into the dermis.
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Intermediate Strata
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Stratum Lucidum
Thick skin on the palms and soles of the feet that are glassy, they cover the stratum granulosum.
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5.7
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Apocrine sweat glands.
The sweat glands that secrete their products into hair follicles in the arm pits, around the nipples, and the groin.
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5.2
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The role of pigmentation
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Melanin
A brown, yellow-brown, or black pigment produced by melanocytes.
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Ultraviolet
Is transmitted from the sun giving off Vitamin D, this is good for the skin, but too much can cause burns to the skin. It can also cause cancer in the skin.
5.3
Skin cancers
When skin is exposed to uv radiation, the epidermal cells convert a cholesterol related substance to Vitamin D3
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5.9
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Effects of burns
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Second degree
Kills superficial cells, epidermis and part of dermis is effected.
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